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Finding the Fourth Proportional to 80,201.73, 110,676.74 and 44,389.61

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Solution

The fourth proportional to 80,201.73, 110,676.74 and 44,389.61 is: 61,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,201.73 : 110,676.74 = 44,389.61 : x
  2. Step 2: Convert to fraction form
    80,201.73/110,676.74 = 44,389.61/x
  3. Step 3: Cross multiply
    80,201.73x = 110,676.74 × 44,389.61
  4. Step 4: Simplify right side
    80,201.73x = 4,912,896,549.34
  5. Step 5: Solve for x
    x = 4,912,896,549.34/80,201.73
  6. Step 6: Final answer
    x = 61,256.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.